ENGINE: CRASH: One off Editor Crash with ANavLinkProxy::GetComponentsBoundingBox() navlinkproxy.cpp:189

UE - AI - Oct 20, 2016

One off editor crash. [Link Removed] Error Message Access violation - code c0000005 (first/second chance not available) Call Stack of Most Recent Crash ANavLinkProxy::GetComponentsBoundingBox() na ...

Crash when Removing and adding players on client

UE - Networking - Apr 26, 2016

Crash when Removing and adding players on client. If the user adds a player to the client and then removes that player and then adds another one. This appears to crash the editor ...

Crash when Changing Source File and Re-Importing Mesh used in Mesh Particle System

UE - Graphics Features - Aug 2, 2016

A licensee has reported a crash when re-importing a mesh being used within a Mesh Particle system. Regression? Yes, this crash does not occur in the 4.11.2 binary release. Link to Crash Logs: [Lin ...

Attached Project Crashes When Loading Screen is Created

UE - Editor - UI Systems - Jan 4, 2016

The attached project crashes when you use the RunClient.bat and attempt to host a game. This brings up a loading screen, which then crashes before it is ever displayed. I have been unable to reprodu ...

Crash in UHierarchicalInstancedStaticMeshComponent::GetOverlappingSphereCount

UE - World Creation - Worldbuilding Tools - Foliage - May 15, 2018

A licensee has reported a regression from 4.18.3 to 4.19.2 that is causing crashes to occur in their project. The crash occurs when walking onto their foliage in a packaged game. This does not happe ...

Crash when selecting Edit Map for Paper Tile Map Actor

UE - Gameplay - Jul 12, 2017

Crash when pressing the Edit Map button for the Rendering Component of the Paper Tile Map Actor. If a new empty map is created first, the crash doesn't occur. User Description: Whenever I try to c ...

Crash when destroying a pawn on the client

UE - Networking - Jul 6, 2015

Crash when destroying a pawn on the client. Reproduced in 4.8.1 and Main (//depot/UE4/Promotable-CL-2610743). This is a regression: the crash does not occur in 4.7.6 Crash Report: [Link Removed] ...

Closing Chunk Parameters tabs with chunk selected and reopening Destructible will cause crash

UE - Simulation - Physics - Destruction - Mar 2, 2015

When opening a DM selecting any chunk, even the unfractured mesh, closing the chunk parameters tab and reopening the DM will result in a crash. If that DM is opened and clicked in the viewport it ...

Expand Node crashes engine

UE - Gameplay - Blueprint - Dec 4, 2014

The engine crashes when after right-click > Expand Node on any composite node. Crash Report: [Link Removed] ...

Destroying a welded actor is causing an Array index out of bounds crash on 5.6

UE - Simulation - Physics - Jul 30, 2025

Destroying a welded actor is causing an Array index out of bounds crash on 5.6. The licensee has provided a repro project that reliably causes a crash whenever the spawned actor is destroyed. There ...